Home / 3,998.64-5,513.79-2,723.34

Finding the Fourth Proportional to 3,998.64, 5,513.79 and 2,723.34

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Solution

The fourth proportional to 3,998.64, 5,513.79 and 2,723.34 is: 3,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.64 : 5,513.79 = 2,723.34 : x
  2. Step 2: Convert to fraction form
    3,998.64/5,513.79 = 2,723.34/x
  3. Step 3: Cross multiply
    3,998.64x = 5,513.79 × 2,723.34
  4. Step 4: Simplify right side
    3,998.64x = 15,015,924.86
  5. Step 5: Solve for x
    x = 15,015,924.86/3,998.64
  6. Step 6: Final answer
    x = 3,755.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.